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Medicines famciclovirQuestion & answer

famciclovir · Medicine question

Can famciclovir be used while breastfeeding?

iatroX medicinesPublished 20 August 2026Reviewed 20 August 2026

The answer

Answer

Direct evidence is lacking and milk transfer in humans is unknown, so the treatment and feeding plan requires prescriber or specialist review.

Sources for this answer

Famvir 500 mg film-coated tabletsemc · SmPC Current selected SmPC · Version 1
NHS Specialist Pharmacy ServiceNHS Specialist Pharmacy Service · NHS medicine guidance

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famciclovir

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